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https://gitlab.freedesktop.org/pipewire/pipewire.git
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69 lines
2.9 KiB
C
69 lines
2.9 KiB
C
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/* Pinos
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* Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __PINOS_RTKIT_H__
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#define __PINOS_RTKIT_H__
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#include <gio/gio.h>
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#include <glib-object.h>
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G_BEGIN_DECLS
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#define RTKIT_SERVICE_NAME "org.freedesktop.RealtimeKit1"
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#define RTKIT_OBJECT_PATH "/org/freedesktop/RealtimeKit1"
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/* This is mostly equivalent to sched_setparam(thread, SCHED_RR, {
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* .sched_priority = priority }). 'thread' needs to be a kernel thread
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* id as returned by gettid(), not a pthread_t! If 'thread' is 0 the
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* current thread is used.
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*/
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gboolean pinos_rtkit_make_realtime (GDBusConnection *system_bus,
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pid_t thread,
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gint priority,
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GError **error);
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/* This is mostly equivalent to setpriority(PRIO_PROCESS, thread,
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* nice_level). 'thread' needs to be a kernel thread id as returned by
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* gettid(), not a pthread_t! If 'thread' is 0 the current thread is
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* used. */
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gboolean pinos_rtkit_make_high_priority (GDBusConnection *system_bus,
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pid_t thread,
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gint nice_level,
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GError **error);
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/* Return the maximum value of realtime priority available. Realtime requests
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* above this value will fail. A negative value is an errno style error code.
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*/
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int pinos_rtkit_get_max_realtime_priority (GDBusConnection *system_bus);
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/* Retreive the minimum value of nice level available. High prio requests
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* below this value will fail. The returned value is a negative errno
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* style error code, or 0 on success.*/
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int pinos_rtkit_get_min_nice_level (GDBusConnection *system_bus, int* min_nice_level);
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/* Return the maximum value of RLIMIT_RTTIME to set before attempting a
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* realtime request. A negative value is an errno style error code.
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*/
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long long rtkit_get_rttime_usec_max (GDBusConnection *system_bus);
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G_END_DECLS
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#endif /* __PINOS_RTKIT_H__ */
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